CN1880785B - Bearing seal assembly for agricultural applications - Google Patents
Bearing seal assembly for agricultural applications Download PDFInfo
- Publication number
- CN1880785B CN1880785B CN200610105470XA CN200610105470A CN1880785B CN 1880785 B CN1880785 B CN 1880785B CN 200610105470X A CN200610105470X A CN 200610105470XA CN 200610105470 A CN200610105470 A CN 200610105470A CN 1880785 B CN1880785 B CN 1880785B
- Authority
- CN
- China
- Prior art keywords
- sealing
- guard shield
- ring
- outer shroud
- baffle ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7859—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a further sealing element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/08—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
- F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
Abstract
A contaminant-resistant bearing assembly includes a multi-lip seal with an extended shroud supported from the outer ring and projecting adjacent a stepped inner ring shoulder. A steel slinger supported from the inner ring is offset outwardly adjacent the shroud and includes a radially outer edge terminating closely adjacent the connection of the seal shroud to the outer ring. The slinger includes an outer portion angled inwardly from the radial direction and supporting a lip seal which contacts an angled portion of the seal shroud at a central location between the rings. A primary step machined on the inner ring prevents the slinger from being pushed into the seal.
Description
Technical field
The present invention relates generally to bearing unit, and is particularly related to the bearing unit that stops impurity, and described bearing unit has lip packing, baffle ring and shroud structure, is specially adapted to harsh environmental conditions, and for example agricultural is opened up wasteland and used.
Background technique
The bearing unit that is used under the extreme condition runs into dust and mud through regular meeting, and they are piled up and the plug for seal structure often, and impurity is pushed in the bearing bore.The bearing that does not need to maintain can not be easily lubricated, so external substance can not be washed out usually.In the application of working power washing machine cleaning bearing neighboring area, impurity is forced in the bearing bore in the flushing process of being everlasting.In case enter impurity in the bearing, bearing will finally block and can not rotate or because wearing and tearing become loosening.
The impurity problem is opened up wasteland in the apparatus bearing particularly outstanding in agricultural, for example the disk bearing of operating under moist and muddy soil conditions.Endanger the impurity protective function of bearing seal towards the mud of Sealing accumulation and promotion.Extreme temperature conditions and freeze further to have exposed the impurity problem around the material of bearing.This bearing will carry out the several high-pressure wash in 1 year, and this has further worsened the impurity problem.Although bearing unit is for example sold to Deere﹠amp; Bearing unit in the U.S. Patent No. 4,249,782 of Company company in most of the cases shows well, yet the phenomenon of the failure that is caused by the rugged environment operating conditions still exists.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of improved bearing unit, this assembly has overcome aforesaid major part or whole issue.Another purpose provides a kind of system, this system has eliminated under severe environmental conditions or impurity enters bearing when the high-pressure wash process operation major part or whole issue.
Another object of the present invention provides a kind of improved bearing unit, and this assembly has reliable sealing system to stop impurity under extreme environmental conditions.Also have a purpose to provide a kind of like this assembly, this assembly be specially adapted to often exist freeze, material is deposited in around the assembly or bear at material on the assembly under the situation of impacting with high pressure.Another purpose provides a kind of like this bearing unit, and this assembly is compared with the available bearing before the great majority, when being used for disc harrow group or Other and Agricultural Machines, has the service life of significant prolongation.
In an embodiment of the invention, bearing unit comprises the multiple lip type Sealing of the guard shield that has extension, described guard shield by outer shroud support and protrusion and with the level in the ring shoulder close on.The steel baffle ring that is supported by interior ring closes on described guard shield and is offset laterally, and comprises the radial outside edge, and this outer ledge ends at the place of the joint of closing on Sealing guard shield and outer shroud.Described baffle ring comprises from bending inwards in the radial direction and support the external lateral portion of lip packing, described lip packing between two rings in the part of the band angle of neutral position place's contact seal part guard shield.The anti-baffle ring of the main step of processing on interior ring is pushed in the Sealing.In one embodiment, the second step on the interior ring holds the inside edge of Sealing guard shield, and forms maze portion between baffle ring and Sealing guard shield, even under extremely hard conditions, also effectively bearing is sealed with respect to impurity.
These and other purposes, features and advantages of the present invention will manifest from accompanying drawing and following detailed.
Description of drawings
Fig. 1 is the planimetric map of partly cut-away that has the bearing unit of sealing configuration.
Fig. 2 is the amplification profile of sealing configuration of the bearing unit of Fig. 1.
Fig. 3 is the view similar to Fig. 1, but has shown a kind of interchangeable mode of execution of sealing configuration.
Embodiment
With reference to figure 1, wherein shown bearing unit 10, this assembly 10 is suitable for accepting the axle 12 that rotates around axis 14.Shown axle 12 is the disc harrow group axles that are supported on the disc (not shown) that rotates in the soil.
The axial outermost end that sealing configuration 30 and 32 is positioned at bearing unit 10 enters assembly 10 and opposing external force to prevent impurity, for example is bonded at frozen material or dust on the axle, and not so this can endanger the barrier properties of sealing configuration 30 and 32.Sealing configuration 32 is basic identical with structure 30, therefore, only describes structure 30 below in detail.
As shown in Fig. 1 and Fig. 2, sealing configuration 30 comprises multiple lip type Sealing 40.Sealing part 40 comprises the steel guard shield 42 that has outside side 44, and described outer side 44 bendings enter in the Internal locking groove 46 in the step part 48 of outer shroud 20.Guard shield 42 begins to extend radially inwardly to part 50 axially outside band angle or that tilt from curved edges 44.Guard shield 42 is against the wall 52 towards the outside of step part 48, with prevent Sealing 40 from shown in position axis to moving inward.The radial inner end part 56 of guard shield 42 is extended towards the step part 60 of interior ring 26 from the part 50 of band angle.Three lip packings 62 be fastened on the band angle part 50 on the surface of inboard.Sealing lip 66 extends radially inwardly from the matrix of Sealing 62, and outwardly-bent towards the end 56 of guard shield 42.
As shown in Fig. 1 and Fig. 2, step part 60 comprises the single step of the wall 68 that has toward the outer side, and it defines the outer circumference 70 that the diameter at interior ring 26 outermost end places reduces.The outer side surface of the end 56 of guard shield 42 protrudes near wall 68, and guard shield 42 end at close in ring outer circumference 72 places, described outer circumference 72 is positioned at encircles radially inwardly locating of 26 outermost end.
The fastened interior ring 26 that closes on guard shield 42 with the outside of metal baffle ring 80 rotates.Baffle ring 80 forms the transfer barrier of pressure and impurity between outer shroud 20 and interior ring 26 in the outside of Sealing 40.The inside power of effect for example is bonded at frozen material on the axle 12 or mud and from being stoped by baffle ring 80 to the Sealing 40 inboard liquid that promote or the impacting with high pressure of refuse.
Baffle ring 80 comprises L shaped matrix 82, its with the wall 68 of the step of interior ring 26 in, processing against.The anti-baffle ring 80 of described step is pushed in the guard shield 42.Radially baffle ring wall section 86 begins to be basically parallel to end 56 from matrix 82 and stretches out.The baffle ring part 90 of inside band angle extends radially outwardly, and ends at the inside circumference place of the step part 48 that closes on outer shroud 20.
Be secured between the baffle ring lip packing 94 between baffle ring 80 and the guard shield 42 on the internal surface of band angle part 90 of baffle ring 80, and the sealing part comprises the lip 96 on the zone line of the band angle part 50 that is pressed against the Sealing guard shield.The impurity that Sealing 94 prevents to pass the zone 100 between the axial outermost part of the edge of part 90 and outer shroud 20 inwardly passes between baffle ring wall section 86 and the guard shield end 56.Zone 100 is continuous substantially, and helps material radially to discharge from baffle ring 80.The band angle part 90 of baffle ring comprises the surface of the axial outermost band angle with edge 92, its axial outermost surface in alignment basic at regional 100 places and outer shroud 20.The angle of baffle ring and Sealing guard shield part and sealing lip are designed to stop impurity and impurity are come off, and guiding impurity is away from primary seal 40.
Fig. 3 shows and similar sealing configuration shown in Fig. 1 and 2; but the guard shield end 56 ' that comprises extension; this end 56 ' is closed on step part 60 ' and is protruded; described step part 60 ' has in interior ring 26 ' second step 108 of processing, and this end 56 ' has increased extra protection for primary seal 40.Baffle ring 86 is settled and is resisted against on the main step 68 '.By make metal skirt 42 extend in ring 26 ' external diameter below, provide closely spaced mazy type to cooperate at step 108 places, this cooperation forms the part in the labyrinth between Sealing 62 and the baffle ring wall section 86 with main step 68 '.
For for baffle ring 80 provides extra support, edge 92 can radially extend beyond the inside circumference of outer shroud 20.For example, shown in the dotted line 92 ' among Fig. 3, the extra step 112 of processing in the end of interior ring 20 is to provide the labyrinth in baffle ring edge, so that further stop impurity to enter.When excessive axial force was applied on the baffle ring 80, the surface toward the outer side of step 112 (perhaps encircling 20 outer surface, if extra step is not provided) anti-baffle ring 80 was pushed in the guard shield 42.
Described preferred implementation, obviously can make different modifications and do not break away from as the defined scope of the present invention of claims.For example, link to each other, and baffle ring is shown as with interior ring and links to each other although the Sealing guard shield is shown as with outer shroud, yet, be to be understood that the connection of parts can be exchanged.
Claims (19)
1. the bearing unit of an anti-impurity comprises:
Axially extended outer shroud;
Ring in axially extended, it is supported in the outer shroud to center on a rotational in rotating mode;
The multiple lip type Sealing, it is supported on and closes on outer shroud one end, and the primary seal barrier in providing between ring and the outer shroud, the sealing part is included in the Sealing guard shield that extends between the excircle of the inner circumference of outer shroud and interior ring, described Sealing guard shield has with respect to the radially extension of interior ring and outer shroud axial restraint and the intermediate portion of diagonally extending, and described intermediate portion supports sealing lip and makes it press interior ring on the axial inward direction of Sealing guard shield;
Baffle ring, in it is connected ring go up with interior ring co-rotation, this baffle ring is adjacent with the Sealing guard shield in the outside; And
Lip packing, it and provides auxiliary seal between baffle ring and described diagonally extending part between Sealing guard shield and baffle ring,
Wherein, interior ring comprises step part, and sealing part guard shield is connected to outer shroud and comprises projection closely near the end of step part, wherein, and ring and in abutting connection with step part in baffle ring is connected to; And wherein, radially inwardly the excircle of ring is projecting inward in described Sealing guard shield end, so that tortuous path to be provided between baffle ring and multiple lip type Sealing,
Wherein, described baffle ring comprises the radial outside limit of aliging with the axial outermost surface of described outer shroud.
2. bearing unit as claimed in claim 1, wherein, described lip packing is positioned at the radial outside of described multiple lip type Sealing and axially aligns with described multiple lip type Sealing.
3. bearing unit as claimed in claim 1, wherein, described in ring comprise step part, and described Sealing guard shield is connected on the outer shroud and comprises an end, this end is protruded with described step part and is closed on, and wherein, described baffle ring is connected to interior ring.
4. bearing unit as claimed in claim 1, wherein, described baffle ring comprises L shaped matrix, it is in abutting connection with described step part.
5. bearing unit as claimed in claim 1, wherein, described step part comprises the main step and the inboard second step in the outside, and wherein, described baffle ring is fastened on the main step and described Sealing guard shield end forms the cooperation of labyrinth, little gap with described second step.
6. bearing unit as claimed in claim 1, wherein, described baffle ring comprises intermediate, inclined extension baffle ring part, this part supports described lip packing and contacts with the described diagonally extending intermediate portion of Sealing guard shield.
7. the bearing unit of an anti-impurity comprises:
Axially extended outer shroud;
Ring in axially extended;
The multiple lip type Sealing, it is supported on and closes on outer shroud one end, and the primary seal barrier in providing between ring and the outer shroud, the sealing part is included in the Sealing guard shield that extends between the excircle of the inner circumference of outer shroud and interior ring, described Sealing guard shield has radially extension and the intermediate portion with respect to interior ring and outer shroud axial restraint, and described intermediate portion supports sealing lip and makes it press interior ring on the axial inward direction of Sealing guard shield;
Baffle ring, it is positioned at the Sealing guard shield outside and adjacent with it, one of them of described interior ring and outer shroud comprises step part, and described step part has axially outside step wall, and this wall and baffle ring are in abutting connection with preventing that also axially inside directed forces from making baffle ring move towards the Sealing guard shield; Mid seal, it is between Sealing guard shield and the baffle ring and sealing between baffle ring and the Sealing guard shield is provided,
Wherein, described baffle ring comprises the radial outside limit of aliging with the axial outermost surface of described outer shroud.
8. the bearing unit of an anti-impurity comprises:
Axially extended outer shroud;
Ring in axially extended;
The multiple lip type Sealing, it is supported on and closes on outer shroud one end, and the primary seal barrier in providing between ring and the outer shroud, the sealing part is included in the Sealing guard shield that extends between the excircle of the inner circumference of outer shroud and interior ring, described Sealing guard shield has radially extension and the intermediate portion with respect to interior ring and outer shroud axial restraint, and described intermediate portion supports sealing lip and makes it press interior ring on the axial inward direction of Sealing guard shield;
Baffle ring, it is positioned at the Sealing guard shield outside and adjacent with it, one of them of described interior ring and outer shroud comprises step part, and described step part has axially outside step wall, and this wall and baffle ring are in abutting connection with preventing that also axially inside directed forces from making baffle ring move towards the Sealing guard shield; Mid seal, it is between Sealing guard shield and the baffle ring and sealing between baffle ring and the Sealing guard shield is provided,
Wherein, described step part comprises first and have the second step of second wall, and second wall is overlapping with the radially extension of Sealing guard shield on the axial inward direction of described step wall,
Wherein, described baffle ring comprises the radial outside limit of aliging with the axial outermost surface of described outer shroud.
9. bearing unit as claimed in claim 7, wherein, described Sealing guard shield is fixed on the described outer shroud, and described step part is positioned at the axial outermost end of described ring and supports described baffle ring and ring rotates synchronously.
10. bearing unit as claimed in claim 8, wherein, described Sealing guard shield is fixed on the described outer shroud, and described step part is arranged in and describedly encircles and support described baffle ring and ring rotates synchronously.
11. bearing unit as claimed in claim 7, wherein, baffle ring and Sealing guard shield comprise the band angle part that axially bends inwards and relatively rotate with respect to each other, and wherein, described mid seal is fastened on the described band angle part of baffle ring and comprises the single sealing lip that contacts with the described band angle part of Sealing guard shield.
12. bearing unit as claimed in claim 11, wherein, described multiple lip type Sealing comprises isometric substantially flexible sealing lip, and inner axle is being pasted to outside bending in the end of described sealing lip.
13. bearing unit as claimed in claim 11, wherein, described single sealing lip axially extends internally, and extends radially outwardly into and reach a contacted position of band angle part with described Sealing guard shield.
14. bearing unit as claimed in claim 7, wherein, described interior ring comprises step part.
15. bearing unit as claimed in claim 14, wherein, described baffle ring comprises the radial outside limit, this outer side is protruded and is entered a second step part of closing on the axial outermost surface of described outer shroud, and provide the stopping of axially inside power, and prevent that described baffle ring from moving towards described Sealing guard shield.
16. the bearing unit of an anti-impurity comprises:
Axially extended outer shroud;
Ring in axially extended;
The multiple lip type Sealing, it is supported by outer shroud, and the sealing barrier in providing between ring and the outer shroud, the sealing part comprises the Sealing guard shield in the step part that is fastened on the outer shroud inner circumference, described Sealing guard shield has with respect to the radially extension of outer shroud axial restraint with respect to the intermediate portion of radial direction bending, and described Sealing guard shield supports lip seal configuration and press interior ring on the axial inward direction of Sealing guard shield;
Baffle ring, it is positioned at the Sealing guard shield outside and adjacent with it, and the step part that abuts against in the described interior ring is fastened; And
Second Sealing, it is between Sealing guard shield and the baffle ring and sealing between baffle ring and the Sealing guard shield is provided, and
Wherein, described second Sealing comprises single sealing lip, and this single sealing lip axially extends internally, and begins the contacted position of intermediate portion of the band angle of radially outward arrival and described Sealing guard shield from described baffle ring;
Wherein, described baffle ring comprises the circumferential section of the intermediate portion that closes on described Sealing guard shield of axially bending inwards, this circumferential section has the outermost side that aligns substantially with the axial outermost part of described outer shroud, and wherein said second Sealing is connected on the circumferential section of described baffle ring
Wherein, described baffle ring comprises the radial outside limit of aliging with the axial outermost surface of described outer shroud.
17. bearing unit as claimed in claim 16, wherein, described second Sealing is fastened on the circumferential section of baffle ring and comprises the sealing lip that contacts with the described intermediate portion of Sealing guard shield.
18. bearing unit as claimed in claim 16, wherein, described multiple lip type Sealing comprises the flexible sealing lip, and inner axle is being pasted to outside bending in the end of described sealing lip.
19. bearing unit as claimed in claim 16, wherein, described outermost side radially protrudes the axial outermost part of closing on described outer shroud, and described outer shroud provides acting on stopping of inside axial force on the described baffle ring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/146,445 US7258491B2 (en) | 2005-06-07 | 2005-06-07 | Bearing seal assembly for agricultural applications |
| US11/146445 | 2005-06-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1880785A CN1880785A (en) | 2006-12-20 |
| CN1880785B true CN1880785B (en) | 2010-04-21 |
Family
ID=36975572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610105470XA Expired - Fee Related CN1880785B (en) | 2005-06-07 | 2006-06-07 | Bearing seal assembly for agricultural applications |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7258491B2 (en) |
| EP (1) | EP1731775B1 (en) |
| CN (1) | CN1880785B (en) |
| AR (1) | AR061391A1 (en) |
| BR (1) | BRPI0602159A (en) |
| CA (1) | CA2549624C (en) |
| MX (1) | MXPA06006419A (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7591593B2 (en) * | 2005-02-04 | 2009-09-22 | Ntn Corporation | Sealed rolling bearing |
| US7588372B2 (en) * | 2006-04-13 | 2009-09-15 | Bishop-Wisecarver Corporation | Guide wheel having a bearing for food and beverage applications |
| US7637665B2 (en) * | 2006-06-30 | 2009-12-29 | Emerson Power Transmission Corporation | Bearing assembly and resilient seal element |
| US8333515B2 (en) * | 2006-06-30 | 2012-12-18 | Emerson Power Transmission Corporation | External bearing shroud |
| US7422373B2 (en) * | 2006-08-22 | 2008-09-09 | Emerson Power Transmission Manufacturing | Spherical roller bearing sealing assembly |
| GB0709455D0 (en) * | 2007-05-17 | 2007-06-27 | Johnson Electric Sa | Electric motor |
| DE102008063958A1 (en) * | 2008-12-19 | 2010-07-01 | Schaeffler Technologies Gmbh & Co. Kg | Retaining ring for rolling bearings |
| DE102009019396B4 (en) * | 2009-04-29 | 2019-01-24 | Schaeffler Technologies AG & Co. KG | Sealing arrangement for a roller bearing |
| CN102439324B (en) * | 2009-05-25 | 2014-09-24 | Skf公司 | A bearing seal assembly, particularly for use in agricultural applications |
| WO2011005987A1 (en) * | 2009-07-08 | 2011-01-13 | Peer Bearing Company | Self-aligning maintenance free bearing unit for agricultural applications |
| CN105485161A (en) * | 2015-12-28 | 2016-04-13 | 瓦房店轴承集团有限责任公司 | Self-sealing double-row tapered roller bearing |
| CN106704382A (en) * | 2017-03-19 | 2017-05-24 | 山东哈临集团有限公司 | Combined bearing sealing ring and using method |
| US10808764B2 (en) | 2017-09-26 | 2020-10-20 | G.B.G.I., Inc. | Bearing assembly |
| US10746228B2 (en) | 2017-10-23 | 2020-08-18 | Amsted Rail Company, Inc. | Temperature-robust polymer shroud for roller bearing seal |
| US11192399B2 (en) | 2019-11-06 | 2021-12-07 | Peer Bearing Company | Caster hub |
| CN114645906A (en) * | 2020-12-18 | 2022-06-21 | 斯凯孚公司 | Sealing assembly for a rolling bearing, rolling bearing and dust protection assembly |
| CN116241569B (en) * | 2023-05-12 | 2023-07-28 | 合肥通用机械研究院有限公司 | Horizontal bearing sealing structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4792243A (en) * | 1986-05-24 | 1988-12-20 | Koyo Seiko Co., Ltd. | Bearing |
| US5042822A (en) * | 1988-11-17 | 1991-08-27 | Fag Kugelfischer Georg Schafer Kgaa | Seal with two sealing rings |
| US5419642A (en) * | 1994-03-31 | 1995-05-30 | The Torrington Company | Sealing structure for a bearing |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4249782A (en) | 1979-09-11 | 1981-02-10 | Deere & Company | Self-aligning bearing and seal |
| DE8032122U1 (en) * | 1980-12-03 | 1981-03-26 | FAG Kugelfischer Georg Schäfer KGaA, 97421 Schweinfurt | Combined seal |
| DE3316063C2 (en) | 1983-05-03 | 1985-10-17 | Fa. Carl Freudenberg, 6940 Weinheim | poetry |
| IT1206866B (en) * | 1987-01-28 | 1989-05-11 | Riv Officine Di Villar Perosa | WATERPROOF BEARING FOR EXCEPTIONALLY SERIOUS WORKING CONDITIONS |
| DE4312364A1 (en) | 1993-04-16 | 1994-10-20 | Schaeffler Waelzlager Kg | Radial rolling-contact bearing |
| US5653448A (en) | 1996-06-18 | 1997-08-05 | Dana Corporation | Slinger seal |
| WO1998013610A1 (en) | 1996-09-24 | 1998-04-02 | Robert Bosch Gmbh | Bearing, especially for an electrically driven machine |
| US5908249A (en) | 1997-06-13 | 1999-06-01 | Reliance Electric Industrial Company | Bearing assembly having compact and efficient seal arrangement |
| US6186507B1 (en) | 1997-09-25 | 2001-02-13 | Michael R. Oldenburg | Retrofittable severe duty seal for a shaft |
| US6073933A (en) | 1998-03-11 | 2000-06-13 | Freudenberg-Nok General Partnership | Load bearing washer and dirt excluder |
| DE10037530A1 (en) | 1999-08-31 | 2001-03-22 | Ntn Toyo Bearing Co Ltd | Seal for bearing comprises two sealing plates which seal gap between two raceways, radial sections of plates being arranged in contact with raceways so that seal has rectangular cross-section with flexible sealing component between |
| US6719459B1 (en) | 1999-10-18 | 2004-04-13 | Nsk Ltd. | Ball bearing |
| US6634648B1 (en) | 2000-06-29 | 2003-10-21 | Kelsey-Hayes Company | Shield and seal assembly for vehicle wheel end assembly |
| US6840679B2 (en) | 2002-03-05 | 2005-01-11 | Peer Bearing Company | Bearing assembly and locking collar |
-
2005
- 2005-06-07 US US11/146,445 patent/US7258491B2/en active Active
-
2006
- 2006-06-01 EP EP06114814.4A patent/EP1731775B1/en not_active Not-in-force
- 2006-06-06 BR BRPI0602159-0A patent/BRPI0602159A/en active Search and Examination
- 2006-06-06 AR ARP060102359A patent/AR061391A1/en active IP Right Grant
- 2006-06-06 MX MXPA06006419A patent/MXPA06006419A/en active IP Right Grant
- 2006-06-06 CA CA002549624A patent/CA2549624C/en not_active Expired - Fee Related
- 2006-06-07 CN CN200610105470XA patent/CN1880785B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4792243A (en) * | 1986-05-24 | 1988-12-20 | Koyo Seiko Co., Ltd. | Bearing |
| US5042822A (en) * | 1988-11-17 | 1991-08-27 | Fag Kugelfischer Georg Schafer Kgaa | Seal with two sealing rings |
| US5419642A (en) * | 1994-03-31 | 1995-05-30 | The Torrington Company | Sealing structure for a bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2549624A1 (en) | 2006-12-07 |
| US7258491B2 (en) | 2007-08-21 |
| EP1731775B1 (en) | 2014-12-03 |
| AR061391A1 (en) | 2008-08-27 |
| MXPA06006419A (en) | 2007-02-27 |
| CN1880785A (en) | 2006-12-20 |
| CA2549624C (en) | 2010-02-02 |
| EP1731775A2 (en) | 2006-12-13 |
| BRPI0602159A (en) | 2007-02-21 |
| EP1731775A3 (en) | 2010-10-06 |
| US20060274984A1 (en) | 2006-12-07 |
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Granted publication date: 20100421 Termination date: 20180607 |